NCCER 26412 Year 4 Electrical
Exam Latest Update
Heater elements on electric pool-water heaters must be subdivided into loads NOT
exceeding 48A each and be protected by overcurrent protective devices not greater
than __________.
a) 50A
b) 60A
c) 75A
d) 100A - ANSWER 60A
(3.1.4)
For floating structures that are installed to rise and fall in response to the water level on
a natural or manmade body of water, the MINIMUM distance of the electrical datum
plane above the deck level of the structure is ___________.
a) 6"
b) 12"
c) 18"
d) 24" - ANSWER 12"
(2.2.1)
If two separate receptacles having different voltages and amperage ratings are
installed in a single boat slip, the total load calculation MUST include ______________.
a) only the receptacle with the lower VA demand
b) only the receptacle with the higher VA
demand
c) the receptacle farthest from shore
d) both receptacles - ANSWER only the receptacle with the higher VA demand
(2.1.2)
Which of the following is TRUE with regard to fixed stage switchboards?
, a) They are not referenced in the NEC®.
b) They are not required to contain overcurrent
devices.
c) They are permitted to supply both stage and non-stage equipment.
d) They must be located on the stage. - ANSWER They are permitted to supply both
stage and non-stage equipment.
(1.2.2)
A carnival ride properly powered through a disconnect switch within 6' (1.8 m) of the
operator can also be opened from the operator's console using a ___________.
a) shunt trip
b) positive locking device
c) rheostat
d) site-isolating device - ANSWER shunt trip
(1.3.4)
Which of the following is TRUE regarding luminaires installed in fountains?
a) Fountain luminaires operating below the low-voltage contact limit always require
GFCI protection.
b) Fountain luminaires operating below the low-voltage contact limit always require
GFCI protection.
c) Fountain luminaires installed with the lens facing upward must be guarded or listed
for use without a guard.
d) Fountain luminaires may be permanently embedded into the fountain's structure. -
ANSWER Fountain luminaires installed with the lens facing upward must be guarded or
listed for use without a guard.
(3.5.1)
In temporary installations, single insulated feeder and branch circuit conductors may be
used to supply power for temporary testing, emergencies, experiments, and
developmental work where accessible.
a) to the general public
b) to qualified persons only
c) during daytime hours
Exam Latest Update
Heater elements on electric pool-water heaters must be subdivided into loads NOT
exceeding 48A each and be protected by overcurrent protective devices not greater
than __________.
a) 50A
b) 60A
c) 75A
d) 100A - ANSWER 60A
(3.1.4)
For floating structures that are installed to rise and fall in response to the water level on
a natural or manmade body of water, the MINIMUM distance of the electrical datum
plane above the deck level of the structure is ___________.
a) 6"
b) 12"
c) 18"
d) 24" - ANSWER 12"
(2.2.1)
If two separate receptacles having different voltages and amperage ratings are
installed in a single boat slip, the total load calculation MUST include ______________.
a) only the receptacle with the lower VA demand
b) only the receptacle with the higher VA
demand
c) the receptacle farthest from shore
d) both receptacles - ANSWER only the receptacle with the higher VA demand
(2.1.2)
Which of the following is TRUE with regard to fixed stage switchboards?
, a) They are not referenced in the NEC®.
b) They are not required to contain overcurrent
devices.
c) They are permitted to supply both stage and non-stage equipment.
d) They must be located on the stage. - ANSWER They are permitted to supply both
stage and non-stage equipment.
(1.2.2)
A carnival ride properly powered through a disconnect switch within 6' (1.8 m) of the
operator can also be opened from the operator's console using a ___________.
a) shunt trip
b) positive locking device
c) rheostat
d) site-isolating device - ANSWER shunt trip
(1.3.4)
Which of the following is TRUE regarding luminaires installed in fountains?
a) Fountain luminaires operating below the low-voltage contact limit always require
GFCI protection.
b) Fountain luminaires operating below the low-voltage contact limit always require
GFCI protection.
c) Fountain luminaires installed with the lens facing upward must be guarded or listed
for use without a guard.
d) Fountain luminaires may be permanently embedded into the fountain's structure. -
ANSWER Fountain luminaires installed with the lens facing upward must be guarded or
listed for use without a guard.
(3.5.1)
In temporary installations, single insulated feeder and branch circuit conductors may be
used to supply power for temporary testing, emergencies, experiments, and
developmental work where accessible.
a) to the general public
b) to qualified persons only
c) during daytime hours
